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The secrets of guitar amplifiers
The secrets of guitar amplifiers
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Old 23rd April 2009, 08:40 PM   #41
bear is offline bear
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The secrets of guitar amplifiers
Actually absolute phase might come into play depending almost entirely upon how you play, what your tone settings are and most importantly IF your sound includes a lot of real low end or "chunk" - the way the cone moves when you hit the strings is either going to be in or out.

Playing solo, or without anything other than bass &/or drums, this can be part of one's sound. It is for me. So I do try to set it up so that when I whapp" the strings it gives a pulse out to the audience... of course with other guitar and other instruments, the low stuff just muddies up the sound and gets in the way usually, so then it really makes little difference.

It might matter a bit if you are doing some "critical" recording - and you might notice a bit of diff in the total tonality of a given track depending on the absolute phase of the track, AND the absolute phase of the output of the rig (assuming you've been mic'd).

But otherwise, rather irrelevant, imho.

http://www.bearlabs.com -- Btw, I don't actually know anything, FYI -- every once in a while I say something that makes sense... ]
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Old 23rd April 2009, 10:54 PM   #42
ian_carney is offline ian_carney
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Default good source of curcuit diagrams

is www.schematicheaven.com

it does just what it says on the tin
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Old 23rd April 2009, 11:15 PM   #43
b_force is offline b_force
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I know the website

Here some more(with a lot of schematics!)



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Old 23rd April 2009, 11:23 PM   #44
Wavebourn is offline Wavebourn  United States
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The secrets of guitar amplifiers
Originally posted by b_force

But if you at another tube, the signal will be Pi rad or 180 degrees out of phase.
It's normal, if you don't use 2 amps in parallel feeding them from the same source. Absolute phase between line out and microphone matters when miking; in case of an opposite polarity lows will be thinner.
The Devil is not so terrible as his math model is!
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